Install Cables And Connectors - Mettler Toledo IND256 Série Guide D'installation

3. Lift the rear cover and flip it to expose its interior. Note the two straps that secure the front panel
2.2.

Install Cables and Connectors

The cables and connectors of IND256x terminal are as follows:
•
•
•
The IND256x terminal is suitable for severe wash-down and dust environments. However, it is
necessary to access the interior of the terminal enclosure when installing cables and/or connectors.
Each cable entering the enclosure is allocated a specific position.
2.2.1. Harsh Enclosure Cable Glands
To ensure water resistance and dust sealing:
1. Pass the appropriately sized cable through the correct gland before connecting the wires.
Important Notes:
2-2 METTLER TOLEDO IND256x Weighing Terminal Installation Manual
to the enclosure.
Harsh Enclosure Cable Glands
Mainboard Wiring Connections
Power Connection
ONLY PROFESSIONAL SERVICE PERSONNEL MAY OPERATE THIS INSTRUMENT. BE CAREFUL
DURING INSPECTION, TEST AND ADJUSTMENT.
INCORRECT OPERATION MAY RESULT IN INJURY.
Depending upon the gland size, cables of a specific diameter must be used. The required cable
sizes are shown in Table 2-1.
Gland
Analog load cell
COM1 (IS-RS232)
Current loop (active & passive)
AC/DC Power cable
4-20 mA analog output
External battery
Use only ATEX-certified glands and blanks with the IND256x terminal.
The cable glands must be protected against damage from impact.
Sufficient strain-relief must be ensured to prevent tensile forces on the cable glands.
WARNING
Table 2-1: Cable Diameters for Glands
Cable diameter
4-8 mm (0.16–0.3 in)
6–10 mm (0.24–0.39 in.)
6–10 mm (0.24–0.39 in.)
6–10 mm (0.24–0.39 in.)
6–10 mm (0.24–0.39 in.)
4-8 mm (0.16–0.3 in)
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